A Study of LY2599666 in Healthy Participants and Participants With Mild Cognitive Impairment or Alzheimer's Disease (AD)

Status:Active, not recruiting
Conditions:Alzheimer Disease, Cognitive Studies, Healthy Studies
Therapuetic Areas:Neurology, Psychiatry / Psychology, Other
Age Range:20 - Any
Start Date:December 2015
End Date:September 2017

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Single-Dose and Multiple-Dose, Dose-Escalation Study With LY2599666 to Evaluate the Safety, Pharmacokinetics, and Tolerability in Healthy Subjects and Patients With Mild Cognitive Impairment Due to Alzheimer's Disease and Mild-to-Moderate Alzheimer's Disease

The main purpose of this study is to evaluate the safety and tolerability of the study drug
known as LY2599666 in different groups of people - those who are healthy, those who have
mild cognitive impairment due to Alzheimer's Disease (AD), and those with mild-to-moderate
AD. The study will measure how much LY2599666 gets into the bloodstream and how long it
takes the body to get rid of it. It will also evaluate how LY2599666 affects the body. The
study has three parts. Part A will last about 2 months. Parts B and C will each last about
23 weeks. Participants may only enroll in one part.

Inclusion Criteria:

Healthy Participants Part A:

- Overtly healthy males or females as determined by medical history and physical

- Have a body mass index (BMI) between 18.0 and 32.0 kilograms per meter squared
(kg/m²), inclusive

Participants With Mild Cognitive Impairment or Alzheimer's Disease (AD) [Part B and C]:

- Participants are at least 50 years old at screening

- Present with Mild Cognitive Impairment (MCI) due to Alzheimer's Disease (AD) or
mild-to-moderate AD

- Have a caregiver/study informant who provides a separate written informed consent to

- Have adequate vision and hearing for neuropsychological testing in the opinion of the

- Positive florbetapir scan

Exclusion Criteria:

All Participants

- Are currently enrolled in a clinical trial involving an investigational product or
off-label use of a drug or device or are concurrently enrolled in any other type of
medical research judged not to be scientifically or medically compatible with this

- Have known allergies to LY2599666, solanezumab, or any related compounds or
components of the formulations, or have a history of significant atopy

- Have an abnormality in the 12-lead electrocardiogram (ECG) that, in the opinion of
the investigator, increases the risks associated with participating in the study

- Have an abnormal blood pressure as determined by the investigator

- Have significant allergies to humanized monoclonal antibodies, diphenhydramine,
epinephrine, or methylprednisone

- Require treatment with other monoclonal antibodies

Participants With Mild Cognitive Impairment or Alzheimer's Disease (AD) [Part B and C]

- Have medical or surgical conditions in which lumbar puncture and or/catheter
insertion is contraindicated

- Have any contraindication for magnetic resonance imaging (MRI) studies, including
claustrophobia, the presence of metal (ferromagnetic) implants, or a cardiac
pacemaker that is not compatible with MRI

Participants With Mild Cognitive Impairment or Alzheimer's Disease (AD) [Part C]

- Have had lymphoma, leukemia, or any malignancy within the past 5 years except for
basal cell or squamous epithelial carcinomas of the skin that have been resected with
no evidence of metastatic disease for 3 years, cervical carcinoma in situ, or in situ
prostate cancer with a normal prostate-specific antigen post treatment
We found this trial at
Glendale, California 91206
Principal Investigator: H Gevorkyan
Phone: 818-254-1624
Glendale, CA
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Marlton, New Jersey 08053
Principal Investigator: D Krefetz
Phone: 856-334-6138
Marlton, NJ
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Salt Lake City, Utah 84106
Principal Investigator: Shawn Searle
Phone: 801-269-8200
Salt Lake City, UT
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